ci: dev version includes UTC time (dev-YYYYMMDD-HHmm)

Phase 1: browse power-up
- faceted filters: tags + features (array containment) and min rating
  on listTools; new ?tags=?features=?minRating= URL params with chips
- global Cmd+K command palette (cmdk) with tool search + navigation
- mini usefulness/usability bars on grid cards, wide cards and table rows

.gitea/workflows/build.yaml

@@ -34,7 +34,7 @@ jobs:
             VERSION="${{ gitea.ref_name }}"
             VERSION_TAG="${{ gitea.ref_name }}"
           else
-            VERSION="dev-${DATE_STAMP}"
+            VERSION="dev-$(date -u +"%Y%m%d-%H%M")"
             VERSION_TAG="nightly-${DATE_STAMP}"
           fi
           TAGS="-t ${IMAGE}:sha-${SHA} -t ${IMAGE}:latest -t ${IMAGE}:${VERSION_TAG}"